{"categories":[{"id":"chemistry","name":"Chemistry"}],"classification":"identifier","doc":"PubChem is a database of chemical molecules and their activities against biological assays. The system is maintained by the National Center for Biotechnology Information (NCBI), a component of the National Library of Medicine, which is part of the United States National Institutes of Health (NIH).","examples":[{"description":"zeolite Y","value":"135307179"}],"id":"pubchemid","is_pii":false,"langs":[{"id":"common","name":"Common to most languages"}],"links":[{"type":"wikipedia","url":"https://en.wikipedia.org/wiki/PubChem"},{"type":"wikidata","url":"https://www.wikidata.org/wiki/Property:P2153"}],"name":"PubChem Substance ID (SID)","regexp":"[1-9]\\d*","type":"datatype","wikidata_property":"P2153"}
